6" X 24" or 24" X 6" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 7.75 X 25.75] Height_24in + Product Details Size - 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size - 30"w X 20"h X 2"d (for duct opening measurement only)

75"H – fits a 12" X 10" duct opening

Installs Directly On Round & Oval Spiral Duct - No Frames

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 34" OR 34" x 22" duct opening (measured at the opening)

+ Product Description Introducing our 12" x 30" or 30" x 12" Floor Grille - a reliable and durable air grill designed for exceptional performance and built to last

6" X 24" or 24" X 6" Heavy Duty Floor Grille Fixed Blades Air Grille Brown [Outer Dimensions: 7.75 X 25.75] Height_24in + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 30"w X 20"h X 2"d (for duct opening measurement only) 75"H – fits a 12" X 10" duct opening